Cementing-machine.



Patented July 5, 1910.

JZZform y N. MARSHALL. CEMENTING MACHINE. APPLIOATIOIT FILED JAN. 22, 1900.-

2 SHEETS-SHEET '2.

Patentegl July 5, 1910.

UNITED s'rarns PATENT ornron.

NORMAN MARSHALL, or Nnw'roN, MASSACHUSETTS, ASSIGNOR T GENERAL "ELECTRIC COMPANY, n conronarronor EW YORK- oE nNrING-MAcriINn.

Specification of Letters Patent.

Patented July 5, 1910.

Application filed January 22,1906. Serial No. 297,157.

To allwhom it may concern:

Be it known that I, NoRMA MARsrrALL, acitizen'of the United States, and resident a of Newton, county of Middlesex; Massachuvices for positioning the filament ends and stem wires in juxtaposition where the cement will serve to'bmdthe parts together, and I thus reduce materially the time and expense of performing the operations incident to se curing the filaments and wires together. I

prefer also to provide means for holding the stems and filaments'with the stem wires and filament ends in uxtaposition so that they will be accurately maintained in proper relation while the cement is being applied, in case the cementisapplied after the parts arcfbrought into juxtaposition, and during the setting of the cement. By employing this feature in com iection with the devices which position the wires and filament ends in juxtaposition, the operationsof'positioning the stems and wires, and positioning the filaments, the applying of the cement, may be performedsuccessively and the parts maintained in juxtaposition without the attention of the operator in case the parts are introduced into t 'e positioning devices by hand manipu'lat p In practicing the broader features of; my

" invention tliecooperating devices for position'ing the stem wires 'and filament ends in.

juxtaposition may be arranged in fixed relation to each other'or the wires and filament ends may be brought into juxtaposition by the relative movements; of the parts carrying and support-ing the stems and filaments. In either case thestems and the filaments may be placed in pos tion either auton aticall .or manually so far as the broader features; of my :1nvent1oh' are concerned.

.panying drawing spin which- For the purpose of illustration I have shown a simple embodiment of my inventi on which is especially designed for the manua'l placing of the stems and filaments in position and in which the devices for positioning the stem wires and filament ends in juxtaposition are in fixed relation to each other and act to guide and position the wires and filamentends as the stems and filaments are introduced into the apparatus or device by the operator, the device determining't-he position of the filamentends and stem wires so that they are in juxtaposition. I have-also embodied in this simple form of my invention means for maintaining the stems and filaments in position so that they will remain in juxtaposition without'the attention of the operator after they have been placed in position. i This form of device or apparatus embodying my invention may be mounted and arranged in any convenient manner for facilitating the performing of the operations incident to securing the fila ments and stem wires together and a series of such devices may be employed and 'mounted ora-rranged so that they may be moved successively from one operator to another in case it is desired to provide for the convenient and rapid performance of the different operations by different operators.

111 mounting this apparatus or device so that the successive operations may be quickly and conveniently performed by different operators, I have employed certain further featoms of invention which may be used with advantage although they are not essenti al to the broader features of invention.

The various features of my invention will be "understood from the following detailed description of one of the constructions in which I have embodied them and in which the devices for positioning the stem wires and filament ends in juxtaposition are maintaincd in fixed relation to each other, the

stem Wires and filament ends being brought into juxtaposition by the act of introducing the stems and filaments into the apparatusz' The construction and mode of operatio'n'of this deviceor apparatus, aswell as the com struction and mode of'opera'tion of "a some what modified form of the apparatus will be explained in connection with the accom- Figure 1 isa' siii'e elevation of a device or a paratus for positioning the stem wires and ti ament ends in juxtaposition. Fig. 2 is an end elevation looking toward the left in Fig. 1 with the holding device for the filament closed. Fi' 3 is a similar view with the holding device for the filament open or in position for the introduction of the filament. Fig. 4 is a plan view of Fig. 1. Fig. 5 is a sectional view on line 5-5 Fig. 1, looking toward the left. Fig. 6 is a sectional view on line 6--6 looking toward the right, the stem being omitted. Fig. 7 is a view showing a stem and filament after the filament has been secured to the stem wires. Fig. 8 is a plan view of a machine in which the apparatus shown in the previous views may be embodied. Fig. 9 is an elevation of such machine. Fig. 10 is a detail showing the receptacle for containing the cement. Fig. 11 is a plan view of an apparatus or device for positioning the stem wires and filament ends in juxtaposition of a somewhat modified construction. Fig. 12 is a side elevation of the same. Fig. 13 is a sectional view on line 13-13 Fig. 12; and Fig. 14: is an end elevation of Fig. 12 looking toward the right with the retaining spring for the stem removed.

Referring to Figs. 1 to 6 the apparatus shown therein comprises a supporting plate B which is provided at one end with a ver tically extending plate B which is recessed to engage and support the stem A near its rear end. In front of the support B is a plate 13 provided with two recesses Z) in its upper edge. These recesses are provided with converging side surfaces and are open at their upper ends so that the stem wires 1.: may be quickly and readily made to enter these recesses. The plate B is comparatively thin so that when the stem A is in the position indicated in Figs. 1 to 4 the wires a will project beyond the plate. The plate 15 is so arranged with relation to the plate B that when the wires (1. rest in the bottom of the recesses b and the front end of the stem is against the plate It the rear end of thestem will be supported by the plate B. The recesses b are so located that their lower ends are the proper distance apart to bring the wiresu into a definite posit-ion, the recesses being spaced apart substantially the distance between the wires a a. \Vhen the stem Ads placed in position it is maintained in position by means of a flat spring B" secured to the rear side of the plate It and projecting upward so that its upper end rests against the upper edge of the rear end of the stem as indicated in Fig. 1. When the stem is in position the pressure of the spring tends to press the stem forward thus holding the front end of the stem against the plate B and also tends to rock the stem about the support B thus holding the stem wires in position in the bottoms of the recesses b. The supporting plate B also carries a block B the upper end of which is provided with two projecting ribs B the block being cut away between the inner rib B and the plate B so that there is a free space below the wires a as they project throu'ghthe recesses in the plate B". The ribs or plates B are provided with recesses 12' having converging sides and open upper ends, the recesses being in substantial alinement with the recesses b. The sides of these recesses b serve as guides for directing the ends of thecarbon filament into position-at the bottoms of the recesses so that the ends of the carbon filaments may be quickly and conveniently brought into position where they will be in juxtaposition to the stem wires 0 when the stem is in position in the apparatus. The surface of the block B between the plates orribs B is substantially flush with the lower ends of the recesses 7) and serves as a surface against which the carbon filament may be clamped to maintain the filamentin position after it has been placed in position by the operator. (,looperating with this surface is a holding or clamping device consisting of a lever (l pivoted to the block B and provided with a clamping member C arranged to en age the surface C between the. plates B. The clamping member may be provided with a cushioning surface of leather or felt C if found desirable. The clamping lever C is held in either open or closed position by a spring (3* which when the clamping lever is in the position indicated in Fig. 2, acts upon one side of the pivot of the lever to hold the clamping member against. the surface (I and which acts upon the other side of the pivot when the clamping lever is in the position indicated in Fig. 3 to hold the clamping membe' away from the surface C so that the carbon filament may be readily introduced into the recess 7). The lever C is provided with a projecting tail piece or handle C through which it may be moved to open enclose the clamp. The; plates B and ll" are provided with central openings or recesses 71 through which the anchor wire a passes when the stem is in position.

Tn using this apparatus or device. the stem A is introducml into the position shown in Fig. l, the spring Bl yielding to allow the entrance of the stem and holding the stem etiicicntly in position after it has been introduced by the operator. As the stem is introduced the stem wires (L pass readily into the recesses 71 and by the sides of these recesses are guided into proper position. the wires having been st raightencd by the opcr ator in case they have become bent. The clamping lever having been opened in removing the previously cemented stem and filament, is in the position shown in Fig. 23,

and the filament F is quickly and readily introduced by passing the ends of the fila- 'ment into the recesses b, the sides of the re- C is then closed and'the ends of the filament and stem wires are thus positioned and maintained in juxtaposition. The loop of the filament F is introduced into the hook of the anchor Wire a either before, after,

- or in the act of introducing the filament ends into the recesses Z). The filament ends and wires are now in position where the cement may be readily and quickly applied and are maintained in this position until the cement has hardened, when the parts may be readily removed by opening the holding lever O and then withdrawin the stem. In case the same operator per orms all theoperations of introducing and cementing the parts, the operator may of course apply t e cement before introducing the filament or before introducing. the stem and in any case the order in which the stem and filament are introduced may be varied as found desirable.

' I n order'to increase WhICll' the filaments and stem wires may the rapidity with be cemented together, I prefer to mount a series of devices such as described or of an equivalent construction so that they may be made to travel in succession through the same path and may thus be brought in succession to diiferent operators, each operator performing a single operation. I prefer in carrying .out this feature of my invention to mount the series of devices upon a rotary table, the, devices being arranged in a circular series near the edge-of the table and the table being so be turned intermittently to bring'the positionihgand holding devices in succession to the positions where the different operations are performed. The form of device which I have described may be mounted upon this wires the action of the cllncd surfaces tends to hold the clamping table but I prefer to employ in this connection a modified form of. holding device for holding the filament in position. An apparatus-501' device provided with the form of holding device which I prefer to use in this connection. is shown in Figs. 11 to 14. As shown in these views the holding device for maintaining the filament in position consists of two clamping members 0 formed by bending laterally the ends of a wire spring, the wire being coiled at 0 as indicated in Fig. 13. The ends of the wire extend from the holding portions 1: in oppositely inclined directions at and act: against inclined surfaces a. By rcasonof the resiliency of the wires against the inportions (r in the I position indicated in full lines in Fig. 13.

For the purpose of movmounted that it may and by depressing the rear end of the lever the sprmg wire may be moved upward to bring the clamping member 0 into the dotted line position Fig. 13. r

As shown in Figs. 8 and 9 I mount a series of the devices shown in Figs. 11 to 14 upon a table D which is mounted for rotation upon a standard D. The table is loosely mounted between the flanges of two collars D secured to the standard D so that the table may be rotated by one of the operators as desired or the table may be rotated inter m'ittently by automatic mechanism if desired. Pivoted to the upper collar 2 is a lever D whiohprojects radially of the table and is held in raised position against a stop D by a spring D connected to the lower. flanged collar D and to an operating rod D" which is connected with the lever D. The rod I) is connected at its lower end to an operating treadle D By the rotation of the table D the lovers C are brought successively in position beneath the front end of the lever D and when in this position the treadle D is depressed by the operator, thus depressing the lever D and depressing the rear endof the lever C. This movement of the lever throws the holding member G into the dotted lineposition Fig. 13, so that the operator may quicklyintroducethe carbon filaments into the recesses I) in the manner heretofore described. After the filament is thus introduced the treadle is released and the clamping members 0 come into full line position (Fig. 13) to hold the filament in position. The movements of the table D also bring the devices for positioning and maintaining the parts successively into position in front of an operator who may introduce the stem. before or after the filament has been introduced. After the filament and stem have been introduced, the movements of the table bring the parts into position in front of a receptacle E which contains cement and 1 when in this position'anoperator may readily and quickly apply the cement to the overlapping ends of the wires and filament. After the cement has been applied continued movement of the table carries the parts heneath a drying device which consists of a This may be done either pipe F arranged above the pathfof movcment of the series of devices carried by the table, the pipe being-provided with perforations or nozzles for applying heat to the cement and thus ing the same. After the connected stems and filaments have passed the drying device they are removed by an operator who may quickly hardening and dry- &

also introduce a new stein in position in the device from which the connected stem and filament is removed.

Without attempting to set forth in detail the various constructions and the various modifications which may be made in embodying my invention in concrete forms, what I claim and desire to secure by Letters Patent is 1. An apparatus for cementing the-filaments of electric lamps to the stem wires which project from the stem, comprising a filament holding device for supporting the filament, and a stem holding device adapted to bring one of the stem wires into a definite and predetermined position when the stem is inserted in said holder to establish a pasting relation of the stem wire and filament.

2. An apparatus for cementing the filaments of electric lamps to the stem wires comprising a wire positioning device having a. groove to receive the stem wire and hold it in definite position, and a filament positioning device having a groove cut to receive the filament and hold the end thereof in juxtaposition to the stem wire.

3. An apparatus for cementing the filaments of electric lamps to the stem wires, comprising devices for holding'a stem and determining the position of a stem wire, and registering devices for determining the position of a filament end whereby the bringing of the filament end and stem wire into juxtaposition is insured.

4. An apparatus for cementing the filaments of electric lamps to the stem wires, comprising a support for the stem, a positioning device provided with a recess for engaging and positioning the stem wire, and a positioning device provided with a substantially alining recess for engaging and positioning a filament end.

5. An apparatus for cementing the filaments of electric lamps to the stem wires, comprising a support for the stem, a device. provided with a recess for receiving and positioniin a stem wire, a device having a substantial y alining recess for receiving and positioning a filament end, and a filament holding device.

'6. An apparatus for cementing the lilaments of electric lamps to the stem wires,

comprising a support for the stem, a plate provided with a recess having converging sides for positioning a stem wire, a plate having substantially alining recesses withconverging sides for positioning a filament end, a holding device for the same, and. a holding device for the filament. 7. An apparatus ior cementing the filaments of electric lamps to the stem wiifes, comprising a stem holding device, a wire positioning device provided with converging surfaces for positioning a stem \\l13;'llitl' lli alining filan'iefit, positipning devices proengaging and positioning the stem wires, and

a positioning device provided with substantially alining recesses for engaging and positioning the filament ends.

9. Airapparatus for cementing the fila-' ments of electric lamps to the stem wires comprising a support for the, stem, aposi tioning device provided with recesses for engaging and positioning the stem wires and with a recess for the anchor wire, and a positioning device provided with substantially alining recesses for engaging and positioning the filament ends and for the anchor wire.

10. An apparatus for cementing the filaments of electric lamps to the stem wires comprising a support for the stem, a device provided with recesses for receiving and po-' sitioning the stem wires, a device having substantially alining recesses for receiving and positioning the filament ends, and a holdin device for the filament.

11. in apparatus for cementing the filaments of electric lamps to the stem wires comprising a support for the stem, a plate provided with recesses having converging sides a )late haviin substantiall aliniii 13 D recesses with converging sides, a holding deice for the stem, and a holding device for the filament. I

12. In an apparatus for cementing the filaments of electric lamps to the stem wires, the ombination with a device for positioning a stem wire, of a filament holding device comprising a positioning guide for holding an end-of the filament in juxtaposition with said stem wire, and a resilient clamping device for holding the end of the filament in said guide.

13. In an apparatus for cementing the filaments of electric lamps to the stem wires, the combination with a. device for positioning a stem wire, of a filameiit'holding device comprising a positioning guide having a recess in alinement with the stem wire for receiving the end of the filament, and a resilientclamping member for pressing the end of the filament into said recess.

14. in an apparatus for cementing the filaments ofelectric lamps to the stem wires, the combination with a device for positioning a stem wire, of a filament-holding (le- \"lt't. comprising a positioning guide for holding an end of the filament in juxtapositiim with said stem wire, a resilient clamp- 'i-ng device for holding the end of the filament in said guide, and means for control ling said clamping device to grip and to release .the filament.

15. In an apparatus for cementing the filaments of electric lamps to the stem wires, the combination with a device for positioning a stem wire, of a filament holding device comprising a positioning guide for holding an end of the filament in juxtaposition with said stem wire, a spring finger for clamping the end of the filament to said guide, and means for controlling said spring finger.

16. In an apparatus for cementing the filaments of electric lamps to the stem wires, the combination with a movable carrier, and a device mounted on said carrier for positioning a stem wire, of a filament-positioning guide mounted on said carrier to hold an end of the filament in juxtaposition with said stem wire, a resilient clamping niember "for holding the end of the filament in said guide, and a clamp actuator controlled by the operator and arranged to actuate said clamping member at a definite point in the movement of said carrier.

In witness whereof, I have hereunto set my hand, this 19th day of January 1906.

NORMAN MARSHALL. 

